How many grams of aluminum in required to produce 17.5 g of hydrogen

What is produced from neutralization of an acid and a base? a. hydronium ions b. citric acid c. salt and water

Equal numbers of moles of he(g), ar(g), and ne(g) are placed in a glass vessel at room temperature. if the vessel has a pinhole-sized leak, which of the following will be true regarding the relative values of the partial pressures of the gases remaining in the vessel after some of the gas mixture has effused?

What is dhmo? hint: you find it everywhere something is wet..